// SPDX-License-Identifier: GPL-2.0+ /* * hwmon driver for NZXT Kraken X53/X63/X73, Z53/Z63/Z73 and 2023/2023 Elite all in one coolers. * X53 and Z53 in code refer to all models in their respective series (shortened for brevity). * 2023 models use the Z53 code paths. * * Copyright 2021 Jonas Malaco <[email protected]> * Copyright 2022 Aleksa Savic <[email protected]> */ #include <linux/debugfs.h> #include <linux/hid.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/jiffies.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/wait.h> #include <asm/unaligned.h> #define USB_VENDOR_ID_NZXT … #define USB_PRODUCT_ID_X53 … #define USB_PRODUCT_ID_X53_SECOND … #define USB_PRODUCT_ID_Z53 … #define USB_PRODUCT_ID_KRAKEN2023 … #define USB_PRODUCT_ID_KRAKEN2023_ELITE … enum kinds { … } __packed; enum pwm_enable { … } __packed; #define DRIVER_NAME … #define STATUS_REPORT_ID … #define FIRMWARE_REPORT_ID … #define STATUS_VALIDITY … #define CUSTOM_CURVE_POINTS … #define PUMP_DUTY_MIN … /* Sensor report offsets for Kraken X53 and Z53 */ #define TEMP_SENSOR_START_OFFSET … #define TEMP_SENSOR_END_OFFSET … #define PUMP_SPEED_OFFSET … #define PUMP_DUTY_OFFSET … /* Firmware version report offset for Kraken X53 and Z53 */ #define FIRMWARE_VERSION_OFFSET … /* Sensor report offsets for Kraken Z53 */ #define Z53_FAN_SPEED_OFFSET … #define Z53_FAN_DUTY_OFFSET … /* Report offsets for control commands for Kraken X53 and Z53 */ #define SET_DUTY_ID_OFFSET … /* Control commands and their lengths for Kraken X53 and Z53 */ /* Last byte sets the report interval at 0.5s */ static const u8 set_interval_cmd[] = …; static const u8 finish_init_cmd[] = …; static const u8 __maybe_unused get_fw_version_cmd[] = …; static const u8 set_pump_duty_cmd_header[] = …; static const u8 z53_get_status_cmd[] = …; #define SET_INTERVAL_CMD_LENGTH … #define FINISH_INIT_CMD_LENGTH … #define GET_FW_VERSION_CMD_LENGTH … #define MAX_REPORT_LENGTH … #define MIN_REPORT_LENGTH … #define SET_CURVE_DUTY_CMD_HEADER_LENGTH … /* 4 byte header and 40 duty offsets */ #define SET_CURVE_DUTY_CMD_LENGTH … #define Z53_GET_STATUS_CMD_LENGTH … static const char *const kraken3_temp_label[] = …; static const char *const kraken3_fan_label[] = …; struct kraken3_channel_info { … }; struct kraken3_data { … }; static umode_t kraken3_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { … } /* * Writes the command to the device with the rest of the report (up to 64 bytes) filled * with zeroes. */ static int kraken3_write_expanded(struct kraken3_data *priv, const u8 *cmd, int cmd_length) { … } static int kraken3_percent_to_pwm(long val) { … } static int kraken3_pwm_to_percent(long val, int channel) { … } static int kraken3_read_x53(struct kraken3_data *priv) { … } /* Covers Z53 and KRAKEN2023 device kinds */ static int kraken3_read_z53(struct kraken3_data *priv) { … } static int kraken3_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static int kraken3_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, const char **str) { … } /* Writes custom curve to device */ static int kraken3_write_curve(struct kraken3_data *priv, u8 *curve_array, int channel) { … } static int kraken3_write_fixed_duty(struct kraken3_data *priv, long val, int channel) { … } static int kraken3_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val) { … } static ssize_t kraken3_fan_curve_pwm_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static umode_t kraken3_curve_props_are_visible(struct kobject *kobj, struct attribute *attr, int index) { … } /* Custom pump curve from 20C to 59C (critical temp) */ static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point1_pwm, kraken3_fan_curve_pwm, 0, 0); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point2_pwm, kraken3_fan_curve_pwm, 0, 1); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point3_pwm, kraken3_fan_curve_pwm, 0, 2); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point4_pwm, kraken3_fan_curve_pwm, 0, 3); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point5_pwm, kraken3_fan_curve_pwm, 0, 4); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point6_pwm, kraken3_fan_curve_pwm, 0, 5); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point7_pwm, kraken3_fan_curve_pwm, 0, 6); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point8_pwm, kraken3_fan_curve_pwm, 0, 7); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point9_pwm, kraken3_fan_curve_pwm, 0, 8); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point10_pwm, kraken3_fan_curve_pwm, 0, 9); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point11_pwm, kraken3_fan_curve_pwm, 0, 10); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point12_pwm, kraken3_fan_curve_pwm, 0, 11); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point13_pwm, kraken3_fan_curve_pwm, 0, 12); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point14_pwm, kraken3_fan_curve_pwm, 0, 13); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point15_pwm, kraken3_fan_curve_pwm, 0, 14); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point16_pwm, kraken3_fan_curve_pwm, 0, 15); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point17_pwm, kraken3_fan_curve_pwm, 0, 16); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point18_pwm, kraken3_fan_curve_pwm, 0, 17); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point19_pwm, kraken3_fan_curve_pwm, 0, 18); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point20_pwm, kraken3_fan_curve_pwm, 0, 19); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point21_pwm, kraken3_fan_curve_pwm, 0, 20); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point22_pwm, kraken3_fan_curve_pwm, 0, 21); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point23_pwm, kraken3_fan_curve_pwm, 0, 22); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point24_pwm, kraken3_fan_curve_pwm, 0, 23); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point25_pwm, kraken3_fan_curve_pwm, 0, 24); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point26_pwm, kraken3_fan_curve_pwm, 0, 25); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point27_pwm, kraken3_fan_curve_pwm, 0, 26); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point28_pwm, kraken3_fan_curve_pwm, 0, 27); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point29_pwm, kraken3_fan_curve_pwm, 0, 28); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point30_pwm, kraken3_fan_curve_pwm, 0, 29); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point31_pwm, kraken3_fan_curve_pwm, 0, 30); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point32_pwm, kraken3_fan_curve_pwm, 0, 31); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point33_pwm, kraken3_fan_curve_pwm, 0, 32); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point34_pwm, kraken3_fan_curve_pwm, 0, 33); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point35_pwm, kraken3_fan_curve_pwm, 0, 34); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point36_pwm, kraken3_fan_curve_pwm, 0, 35); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point37_pwm, kraken3_fan_curve_pwm, 0, 36); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point38_pwm, kraken3_fan_curve_pwm, 0, 37); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point39_pwm, kraken3_fan_curve_pwm, 0, 38); static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point40_pwm, kraken3_fan_curve_pwm, 0, 39); /* Custom fan curve from 20C to 59C (critical temp) */ static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point1_pwm, kraken3_fan_curve_pwm, 1, 0); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point2_pwm, kraken3_fan_curve_pwm, 1, 1); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point3_pwm, kraken3_fan_curve_pwm, 1, 2); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point4_pwm, kraken3_fan_curve_pwm, 1, 3); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point5_pwm, kraken3_fan_curve_pwm, 1, 4); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point6_pwm, kraken3_fan_curve_pwm, 1, 5); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point7_pwm, kraken3_fan_curve_pwm, 1, 6); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point8_pwm, kraken3_fan_curve_pwm, 1, 7); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point9_pwm, kraken3_fan_curve_pwm, 1, 8); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point10_pwm, kraken3_fan_curve_pwm, 1, 9); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point11_pwm, kraken3_fan_curve_pwm, 1, 10); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point12_pwm, kraken3_fan_curve_pwm, 1, 11); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point13_pwm, kraken3_fan_curve_pwm, 1, 12); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point14_pwm, kraken3_fan_curve_pwm, 1, 13); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point15_pwm, kraken3_fan_curve_pwm, 1, 14); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point16_pwm, kraken3_fan_curve_pwm, 1, 15); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point17_pwm, kraken3_fan_curve_pwm, 1, 16); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point18_pwm, kraken3_fan_curve_pwm, 1, 17); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point19_pwm, kraken3_fan_curve_pwm, 1, 18); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point20_pwm, kraken3_fan_curve_pwm, 1, 19); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point21_pwm, kraken3_fan_curve_pwm, 1, 20); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point22_pwm, kraken3_fan_curve_pwm, 1, 21); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point23_pwm, kraken3_fan_curve_pwm, 1, 22); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point24_pwm, kraken3_fan_curve_pwm, 1, 23); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point25_pwm, kraken3_fan_curve_pwm, 1, 24); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point26_pwm, kraken3_fan_curve_pwm, 1, 25); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point27_pwm, kraken3_fan_curve_pwm, 1, 26); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point28_pwm, kraken3_fan_curve_pwm, 1, 27); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point29_pwm, kraken3_fan_curve_pwm, 1, 28); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point30_pwm, kraken3_fan_curve_pwm, 1, 29); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point31_pwm, kraken3_fan_curve_pwm, 1, 30); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point32_pwm, kraken3_fan_curve_pwm, 1, 31); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point33_pwm, kraken3_fan_curve_pwm, 1, 32); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point34_pwm, kraken3_fan_curve_pwm, 1, 33); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point35_pwm, kraken3_fan_curve_pwm, 1, 34); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point36_pwm, kraken3_fan_curve_pwm, 1, 35); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point37_pwm, kraken3_fan_curve_pwm, 1, 36); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point38_pwm, kraken3_fan_curve_pwm, 1, 37); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point39_pwm, kraken3_fan_curve_pwm, 1, 38); static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point40_pwm, kraken3_fan_curve_pwm, 1, 39); static struct attribute *kraken3_curve_attrs[] = …; static const struct attribute_group kraken3_curves_group = …; static const struct attribute_group *kraken3_groups[] = …; static const struct hwmon_ops kraken3_hwmon_ops = …; static const struct hwmon_channel_info *kraken3_info[] = …; static const struct hwmon_chip_info kraken3_chip_info = …; static int kraken3_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { … } static int kraken3_init_device(struct hid_device *hdev) { … } static int kraken3_get_fw_ver(struct hid_device *hdev) { … } static int __maybe_unused kraken3_reset_resume(struct hid_device *hdev) { … } static int firmware_version_show(struct seq_file *seqf, void *unused) { … } DEFINE_SHOW_ATTRIBUTE(…); static void kraken3_debugfs_init(struct kraken3_data *priv, const char *device_name) { … } static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id) { … } static void kraken3_remove(struct hid_device *hdev) { … } static const struct hid_device_id kraken3_table[] = …; MODULE_DEVICE_TABLE(hid, kraken3_table); static struct hid_driver kraken3_driver = …; static int __init kraken3_init(void) { … } static void __exit kraken3_exit(void) { … } /* When compiled into the kernel, initialize after the HID bus */ late_initcall(kraken3_init); module_exit(kraken3_exit); MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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